installation stop working

faisal asghar

when i started installation of gta liberty city stories on my com it stop working i.e it was niether installing nor any cancel icon appear except it that only there was 1 green box appeared that shows it is installing but i wait for many minutes that it will move or forward bt it still stand there.plz help me because i have extracted it own my com completely but it stops when i start its installation.i think it is last step of installation that is after browsing folder and clicking on create shortcut on desktop.plz help me.